1.

If uncertainty principle is applied to an object of mass 1 miligram, the product of uncertainly in velocity and position will be:A. `10^(-4) m^(2)s^(-1)`B. `10^(6)m^(2)s^(-1)`C. `5xx10^(-29)m^(2)s^(-1)`D. `10^(-34)m^(2)s^(-1)`

Answer» Correct Answer - C
`Deltax x mx Deltav=(h)/(4pi)`
`Deltax Deltav=(h)/(2 pi xx m)=(6.62xx10^(-34))/(4xx3.14xx10^(-6))=5.44xx10^(-29)m^(2)s^(-1)`


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